package demo2;

public class TestDemo4
{
    public static void main(String[] args) {
    Student student1 = new Student("张三",19);
    System.out.println("===========================");
    Student student2 = new Student("gaobo",20);
}
        public static void main1(String[] args) {
            Person person1 = new Person("bit",10);
            System.out.println("============================");
            Person person2 = new Person("gaobo",20);
        }
}
